Ring precision knife



FIG. 1 is a top, side perspective view of a ring precision knife showing our new design;

FIG. 2 is a bottom, side perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevation view thereof; and,

FIG. 6 is a rear elevation view thereof.

The shading lines shown in the drawings represent the approximate three-dimensional contour of the design, and are not intended to indicate surface decoration.

The broken line showing of the blade cover is provided for purposes of environment and forms no part of claimed design. 

CLAIM I claim the ornamental design for a ring precision knife, as shown and described. 